Linear.Quaternion:$clog from linear-1.19.1.3

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\[\sqrt{x \cdot x + y} \]
(FPCore (x y) :precision binary64 (sqrt (+ (* x x) y)))
double code(double x, double y) {
	return sqrt(((x * x) + y));
}

real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = sqrt(((x * x) + y))
end function

public static double code(double x, double y) {
	return Math.sqrt(((x * x) + y));
}

def code(x, y):
	return math.sqrt(((x * x) + y))

function code(x, y)
	return sqrt(Float64(Float64(x * x) + y))
end

function tmp = code(x, y)
	tmp = sqrt(((x * x) + y));
end

code[x_, y_] := N[Sqrt[N[(N[(x * x), $MachinePrecision] + y), $MachinePrecision]], $MachinePrecision]

\sqrt{x \cdot x + y}